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https://issues.apache.org/jira/browse/CODEC-58?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732083#action_12732083
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Julius Davies commented on CODEC-58:
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org.apache.commons.codec.binary.Base64 is hard-coded to use lower 127 ASCII (==
UTF-8):
{code}
private static final byte[] STANDARD_ENCODE_TABLE = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
};
{code}
I'll create a patch to put this in the javadoc.
> Character set used by Base64 not documented
> -------------------------------------------
>
> Key: CODEC-58
> URL: https://issues.apache.org/jira/browse/CODEC-58
> Project: Commons Codec
> Issue Type: Bug
> Affects Versions: 1.1, 1.2, 1.3, 1.4
> Reporter: Pepijn Schmitz
> Priority: Minor
> Fix For: 1.x
>
>
> The Javadoc for the Base64 class does not document which character set is
> returned by encode() and expected by decode(). The RFC specifies
> "characters", not "bytes" as the result of the encoding, and yet Base64
> returns bytes. It should provide complete information as to how to convert
> these bytes to and from Strings. I assume the character set used is ASCII,
> but that should be made explicit in the Javadoc.
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